Knowledge Test Class A #2
Class A Driving Test | Idaho 2025 #2 Page 7 of 7
Train for FREE online with our Idaho class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a ID CDL class A permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.
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43 . To operate a CMV interstate, a driver must be at least:
In Idaho, you must be at least 18 years old to obtain a CDL. You must be at least 21 years old to be licensed to drive across state lines.
44 . When backing a truck, you should:
Backing a commercial motor vehicle is always dangerous because you cannot see everything behind you. When backing, make frequent checks of the mirrors on both sides of the vehicle.
45 . If your brakes fail on a downgrade, your best hope to stop is to:
If your brakes fail on a downgrade, you will have to look outside your vehicle for a way to stop. Using an escape ramp is the safest way to stop your vehicle.
46 . The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
A one-way check valve is required to be between an air compressor and the first main reservoir. This valve prevents air from escaping the system if the air compressor develops a leak.
47 . How can you check for a leak in hydraulic brakes?
Check hydraulic brakes by pumping the brake pedal three times before applying firm pressure to the pedal for five seconds. The pedal should not move. If it does, there may be a leak or some other problem in the braking system.
48 . To check the automatic transmission fluid level in some vehicles, you will have to:
In some vehicles, it may be necessary to leave the engine running when checking the automatic transmission fluid level.
49 . Which of the following is acceptable if found during a pre-trip inspection?
When inspecting your tires, verify that there is at least 4/32 of an inch of tread depth in every major groove on the front tires, and tread depth of at least 2/32 of an inch on the other tires. Tires on the same vehicle should all be the same size.
50 . Regrooved tires are:
Regrooved, recapped, or retreaded tires are not permitted to be used on the front of a bus.
2025 Idaho | Frequently Asked Questions
To acquire a CDL Tank endorsement in Idaho, you must have a valid Idaho CDL. You'll need to pass the Tank Vehicle written test administered by the Idaho Transportation Department. Study the CDL manual's section on tank vehicles. After passing the test, pay the required endorsement fee to add it to your CDL.
To obtain a CDL Tank license, it's essential to have a valid Commercial Driver's License (CDL). You must pass the Tank Vehicle written test, which covers the specific knowledge needed to operate tank vehicles safely. Studying the tank vehicle section in the CDL manual is crucial for passing this test. Lastly, pay the endorsement fee.
While specific training or experience isn't legally mandatory for a CDL Tank endorsement in Idaho, it's highly recommended. Understanding how to handle large, liquid-filled tanks is crucial for safety. Studying the tank vehicle section of the CDL manual and practical experience driving tank vehicles can significantly increase your chances of passing the Tank Vehicle written test.
Yes, obtaining a CDL Tank endorsement in Idaho requires passing an additional written test. This test focuses on the knowledge necessary to safely operate tank vehicles. It covers topics like high center of gravity, surge, bulkheads, baffles, and safe driving rules. The information for this test is found in the tank vehicles section of the Idaho CDL manual.
The written test for a CDL Tank endorsement covers a range of topics related to tank vehicles. These include inspecting tank vehicles, driving tank vehicles, and understanding the unique handling characteristics of tankers. It also covers safety rules, such as managing the vehicle's center of gravity and dealing with surge.
The CDL Tank endorsement written test in Idaho doesn't assess specific driving skills or maneuvers. It is a knowledge-based test focusing on understanding specific rules and safety measures for tank vehicles. Topics include the vehicle's high center of gravity, handling surge, understanding bulkheads and baffles, and adhering to safe driving rules. Practical skills are assessed separately in the general CDL driving test.
Yes, drivers with a CDL Tank endorsement face certain limitations. They can only operate commercial vehicles designed to transport liquids or gaseous materials within a tank that is permanently or temporarily attached to the vehicle. They are also required to comply with specific safety standards and procedures, such as handling hazardous materials and managing high center of gravity and surge.
No, you cannot legally transport liquid or gas materials in a commercial vehicle without a valid CDL Tank endorsement in Idaho. This endorsement is specifically designed to ensure that drivers have the necessary knowledge and skills to safely handle such materials. Driving without the appropriate endorsement can result in significant fines and penalties.
In Idaho, you can add the CDL Tank endorsement to your current license. You will need to pass the Tanker Knowledge Test and pay an additional fee. No fresh application is necessary. Remember to meet all the requirements and provide the necessary documents when applying for the endorsement.
Yes, handling hazardous materials with a CDL Tank endorsement requires adherence to specific regulations. Drivers must pass the Hazardous Materials (HazMat) endorsement knowledge test, and undergo a TSA background check. They must also follow safety procedures for loading, unloading, and transporting hazardous materials, and be aware of emergency response procedures.